What is the cheapest airline that flies from San Diego to Barcelona?

Delta is the most popular carrier operating from San Diego to Barcelona

What airlines fly to Barcelona?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$261 Cheap Flights from San Diego to Barcelona in 2026

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Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:50 am - 8:50 am

SAN

BCN

13h 00m1 stop

10:40 am - 8:41 pm

BCN

SAN

19h 01m1 stop

$484Iberia

Wed, Feb 4 - Wed, Feb 11

6:05 pm - 9:35 am

SAN

BCN

54h 30m2 stops

7:50 pm - 10:44 pm

BCN

SAN

35h 54m2 stops

$485Multiple Airlines

Mon, Feb 2 - Wed, Feb 18

1:02 pm - 5:05 pm

SAN

BCN

20h 03m2 stops

1:00 pm - 1:05 pm

BCN

SAN

32h 05m1 stop

$486Delta

Tue, Mar 10 - Fri, Mar 20

2:00 pm - 4:30 pm

SAN

BCN

17h 30m1 stop

6:00 am - 1:05 pm

BCN

SAN

15h 05m1 stop

$487KLM

Sat, Mar 7 - Sat, Mar 14

4:00 pm - 3:40 pm

SAN

BCN

14h 40m1 stop

5:50 am - 10:40 pm

BCN

SAN

25h 50m2 stops

$488United Airlines

Wed, Mar 4 - Sun, Mar 8

7:52 pm - 9:00 am

SAN

BCN

28h 08m2 stops

11:00 am - 9:28 pm

BCN

SAN

19h 28m1 stop

$489United Airlines

Wed, Feb 4 - Wed, Feb 11

12:40 pm - 9:35 am

SAN

BCN

59h 55m2 stops

6:35 am - 8:49 pm

BCN

SAN

23h 14m2 stops

$491Multiple Airlines

Fri, Feb 13 - Mon, Feb 23

11:30 am - 9:35 am

SAN

BCN

37h 05m2 stops

10:30 am - 9:24 am

BCN

SAN

31h 54m2 stops

$493United Airlines

Sun, Feb 15 - Sun, Feb 22

6:30 am - 9:00 am

SAN

BCN

17h 30m2 stops

6:45 am - 8:49 pm

BCN

SAN

23h 04m3 stops

$495United Airlines

Thu, Feb 5 - Tue, Feb 10

11:05 am - 5:35 pm

SAN

BCN

21h 30m2 stops

5:50 am - 6:48 pm

BCN

SAN

21h 58m2 stops

$496United Airlines

Wed, Mar 4 - Sun, Mar 8

Air Canada flights from San Diego to Barcelona

Our best Air Canada deals on San Diego to Barcelona flight tickets

Air Canada

Mar 4

SAN6:05 pmSan Diego

54h 30m

2 stops

BCN9:35 amBarcelona-El Prat

Mar 8

BCN12:35 pmBarcelona-El Prat

31h 28m

2 stops

SAN12:03 pmSan Diego

$576

Find similar

Air Canada

Jan 11

SAN4:47 pmSan Diego

31h 48m

2 stops

BCN9:35 amBarcelona-El Prat

Jan 29

BCN1:35 pmBarcelona-El Prat

41h 58m

2 stops

SAN10:33 pmSan Diego

$669

Find similar

Air Canada

Jan 10

SAN4:00 pmSan Diego

32h 35m

2 stops

BCN9:35 amBarcelona-El Prat

Jan 29

BCN1:35 pmBarcelona-El Prat

41h 58m

2 stops

SAN10:33 pmSan Diego

$674

Find similar

British Airways flights from San Diego to Barcelona

Our best British Airways deals on San Diego to Barcelona flight tickets

British Airways

Feb 13

SAN12:45 pmSan Diego

35h 05m

1 stop

BCN8:50 amBarcelona-El Prat

Feb 23

BCN6:40 amBarcelona-El Prat

24h 50m

2 stops

SAN10:30 pmSan Diego

$497

Find similar

British Airways

Feb 5

SAN6:00 pmSan Diego

19h 35m

1 stop

BCN10:35 pmBarcelona-El Prat

Mar 7

BCN12:30 pmBarcelona-El Prat

18h 29m

1 stop

SAN9:59 pmSan Diego

$524

Find similar

British Airways

Apr 16

SAN7:20 pmSan Diego

38h 45m

2 stops

BCN7:05 pmBarcelona-El Prat

Apr 27

BCN5:10 pmBarcelona-El Prat

31h 37m

2 stops

SAN3:47 pmSan Diego

$538

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/4

10:50 am-8:50 am

1 stop13h 00m

Barcelona-El Prat

Wed 2/11

10:40 am-8:41 pm

1 stop19h 01m

$484

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Mon 2/2

6:05 pm-9:35 am

2 stops54h 30m

Barcelona-El Prat

Wed 2/18

7:50 pm-10:44 pm

2 stops35h 54m

$485

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Tue 3/10

1:02 pm-5:05 pm

2 stops20h 03m

Barcelona-El Prat

Fri 3/20

1:00 pm-1:05 pm

1 stop32h 05m

$486

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sat 3/7

2:00 pm-4:30 pm

1 stop17h 30m

Barcelona-El Prat

Sat 3/14

6:00 am-1:05 pm

1 stop15h 05m

$487

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/4

4:00 pm-3:40 pm

1 stop14h 40m

Barcelona-El Prat

Sun 3/8

5:50 am-10:40 pm

2 stops25h 50m

$488

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 2/4

7:52 pm-9:00 am

2 stops28h 08m

Barcelona-El Prat

Wed 2/11

11:00 am-9:28 pm

1 stop19h 28m

$489

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Fri 2/13

12:40 pm-9:35 am

2 stops59h 55m

Barcelona-El Prat

Mon 2/23

6:35 am-8:49 pm

2 stops23h 14m

$491

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Sun 2/15

11:30 am-9:35 am

2 stops37h 05m

Barcelona-El Prat

Sun 2/22

10:30 am-9:24 am

2 stops31h 54m

$493

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Thu 2/5

6:30 am-9:00 am

2 stops17h 30m

Barcelona-El Prat

Tue 2/10

6:45 am-8:49 pm

3 stops23h 04m

$495

San DiegoBarcelona

SAN - BCN

SANBCN

San Diego

Wed 3/4

11:05 am-5:35 pm

2 stops21h 30m

Barcelona-El Prat

Sun 3/8

5:50 am-6:48 pm

2 stops21h 58m

$496

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Barcelona?

The month of November is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $632. If you don’t want to visit Barcelona in November, then you should wait until January to fly from San Diego, when ticket prices are also cheap, with an average price of $700.

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $826 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $701 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Fastest flight time	14h 15m
Direct flights	None

The fastest flight from San Diego to Barcelona takes 14h 15m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 14h 15m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of January 2026.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $465	Free Cancellation	Rating 6.8 7,674 reviews	Search Lufthansa flights
KLM	PriceFrom $483	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Iberia	PriceFrom $492	Free Cancellation	Rating 7.0 3,058 reviews	Search Iberia flights
Air Canada	PriceFrom $528	Free Cancellation	Rating 7.1 10,573 reviews	Search Air Canada flights
Delta	PriceFrom $531	Free Cancellation	Rating 7.9 8,021 reviews	Search Delta flights
United Airlines	PriceFrom $549	Free Cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights
British Airways	PriceFrom $567	Free Cancellation	Rating 6.7 7,635 reviews	Search British Airways flights
American Airlines	PriceFrom $606	Free Cancellation	Rating 7.2 11,072 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.